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Triplite and Opal Physical Properties


Opal and Triplite Physical Properties


Physical Properties

Tenacity
Not Available   
BrittleWalter Schumann   

Solubility
Not Available   
hot salt water   

Durability
Not Available   
Not Available   

Specific Gravity
3.85-3.94   
1.98-2.25   

Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Uneven   
Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references, Brittle   

Cleavage
{010} Good, {100} Distinct   
None   

Mohs Hardness
5-5.5   
5-6.5   

Chemical Composition
(Mn2+ ,Fe2+ ,Mg,Ca) 2(PO 4)(F,OH)Michael O’Donoghue , Gems, Sixth Edition (2006)   
SiO2 · nH2O   

Optical Properties >>
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Triplite and Opal Chemical Formula

While comparing Triplite and Opal physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Triplite and Opal chemical formula.

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Triplite and Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Triplite and Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Triplite and Opal Optical Properties during the identification of gemstone. Specific gravity of Triplite is 1.98-2.25 whereas that of Opal is 1.98-2.25.

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Red Gemstones


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